Title:
SIGNAL CABLE FOR DIFFERENTIAL TRANSMISSION
Document Type and Number:
Japanese Patent JP2017010707
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a multicore cable for differential transmission in which skew fluctuation in a cable longitudinal direction is reduced in construction that performs differential signal transmission with coaxial electric wires of even numbers of equal to or greater than 4.SOLUTION: A multicore cable for differential transmission 1 includes coaxial electric wires of even numbers of equal to or greater than 4. A conductor cross-section area of the coaxial electric wires 20a-20d is 0.40 mmto 0.004 mm, and in a pair of the coaxial electric wires 20a-20d performing differential signal transmission, material and a dimension are mutually equal. A strand pitch of the coaxial electric wires 20a-20d is equal to or greater than 15 times of the aggregation external diameter of the aggregated coaxial electric wires 20a-20d in the multicore cable for differential transmission 1. The pair of the coaxial electric wires 20a-20d performing differential signal transmission is set up to become a diagonal line position of a polygon when the centers of the coaxial electric wires 20a-20d of the even numbers of equal to or greater than 4 are connected by straight lines.SELECTED DRAWING: Figure 1A
Inventors:
ISOYA YUKI
RINKA TATSUNORI
FURUYASHIKI RYUTA
RINKA TATSUNORI
FURUYASHIKI RYUTA
Application Number:
JP2015123547A
Publication Date:
January 12, 2017
Filing Date:
June 19, 2015
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES
International Classes:
H01B11/20; H01B7/18; H01B11/00; H01B11/06
Domestic Patent References:
| JP2015505634A | 2015-02-23 | |||
| JP2015072787A | 2015-04-16 |
Attorney, Agent or Firm:
Hiroyuki Okada
Kenji Tsuboi
Kenichiro Sano
Kenji Tsuboi
Kenichiro Sano